Aluminosilicate glass and color adapting composition for ceramics
US8304356B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2012 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Feb 17, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C8/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a color adapting composition used for coloring and color adapting porcelain for ceramic crown such as dental restorations and prosthetics, and aluminosilicate glass appropriate for using in a color adapting composition. More specifically, a color adapting composition for dental porcelains are prepared by blending two or more kinds of glass frits having different sintering temperatures from each other and an inorganic pigment or a colored glass obtained by previously dispersing inorganic pigments in glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.